During this study, we were able to survey 42 health center managers, including 21 in each district, and 182 CBHWs. The focus groups involved 22 people. Aggregated data from the statistical yearbooks on health center utilization in the two districts, as well as data on the management of malaria, diarrhea and pneumonia, were analyzed. The 2019 data have been corrected with averages, as the data in the directories are adjusted data generated by statistical models to make up for the absence of primary data, which were not transmitted due to a movement by health staff that lasted several months (National Statistics Council (cns.bf).
Change in iCCM coverage from 2017 to 2023
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An analysis of aggregated data from 2017 to 2022 clearly shows that the proportion of malaria cases confirmed with rapid diagnostic tests and treated at community level has evolved globally following an upward trend since 2018 (figure 1) in Boussouma and Boussé health districts. However, there has been little change in performance in Boussouma health district since 2020.
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Community-based case management of diarrhea and pneumonia is effective in both health districts (figure 2). It only really began in Boussé health district in 2019 (figures 1 & 2), and is not progressing very well in the management of diarrhea and pneumonia (figure 2).
The survey of health center managers enabled us to assess the level of implementation of this iCCM in 2023. In Boussouma health district, all the health center managers surveyed claimed to provide community management of malaria and diarrhea. However, 14.3% (3/21) did not provide community treatment for pneumonia. In Boussé health district, on the other hand, none of the three iCCM target diseases were fully treated by the health centers surveyed. Our respondents stated that malaria and diarrhea were not being treated in 19% (4/21) cases, and that pneumonia was not being treated in the community in 23.8% (5/21) of cases.
During the focus group discussions, participants confirmed the availability of services and mentioned certain difficulties. Some participants declared the following:
"They visit us to check our children's health during the rainy season. They go round households to distribute medicines to our children. In addition, when we send them a sick child, they do the RDT to see if the child has malaria, and if the test is positive, they give us products to treat the child." Woman_R3_FG18.
"With them, we can get medicines in the village and that saves us going to the health center" Woman_R3_FG5.
"During the rainy season, if a child is sick, we go and see them so that they can perform the screening test to find out what the child is suffering from before going to the health center" Man_R3_FG20.
However, health centers face a problem of drug availability for treatment, as noted by our respondents.
"CBHWs don't have enough medicine to treat children at home. That's why we quickly go to the health center" Man_R2_FG16.
"They often come to see the child and as they don't have any medicine, they send us back to the health center, but if they can treat the illness, if they have the medicine, they give it to us" Woman_R4_FG9.
"In these situations, you have to bypass the CBHWs and go to the health center because they have nothing to treat" Man_R4_FG14.
"Like she said, CBHWs have almost nothing with them therefore we have to go to the health center " Woman_R10_FG19.
Drug shortages are confirmed by health center managers (or representatives). They reported shortages of iCCM drugs in 33.3% (7/21) of Boussé health district and 9.5% (2/21) of Boussouma health district (table 2).
Evolution of health center utilization and performance in malaria treatment.
Evolution of the service usage level by populations from 2014 and 2022.
Analysis of data from statistical yearbooks produced since 2014, shows an almost constant evolution (except in 2017 – 2018), of the number of contacts per inhabitant in Boussouma health district (figure 3) with peaks between 2017 and 2018.
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This contact per inhabitant has, however, been much improved in Boussouma health district since 2016, and the trend is maintained until 2022 (figure 3).
Trends in annual malaria incidence and case-fatality between 2014 and 2022
The implementation of iCCM should relieve health centers of simple malaria cases and improve the vital prognosis of severe cases.
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Figure 4 shows upward trends in the annual incidence of malaria since 2016, both in Boussouma and Boussé health districts and in the two health regions (Center North and Plateau Central) to which they belong. After peaking between 2016 and 2018, the annual malaria incidence curve shows little change in Boussé health district and Plateau Central health region, while it is declining in Boussouma health district and Center North health region.
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Malaria case-fatality has gradually declined in Boussouma health district (figure 5). Overall, it was higher in Boussé district than in Boussouma health district.
Factors associated with the provision of curative care by CBHWs.
In our research for factors influencing the availability of curative care offered by CBHWs through binary logistic regression, we used an "Enter" method to include all explanatory variables in the model, with the existence of curative care in the package they offer as the dependent variable.
All conditions of use were checked beforehand, and the very high probability of X2 (significant p-value at 0.000 (<0.05)) shows that our regression model fits well.
Binary logistic regression enabled us to obtain results indicating that the origin health district, the nature of transport means used to perform services, the difficulties faced in transporting inputs and the regularity of CBHWs' premium payments were the factors that significantly contributed to the prediction of curative care provision by CBHWs at community level (Table 1).
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The sense of coefficients b and Exp(b) indicate that the better the factors of health district of origin, transportation means, means of transporting inputs and regularity of remuneration of CBHWs, the more likely the CBHWs will offer curative care to households.
Though not significant, two elements, namely daily professional activity (p=.076) and the availability of medicines to treat diarrhea (p=.062), attract attention and could be taken into account in the problems to be addressed.